package _01Collection;

import java.util.ArrayList;
import java.util.Collection;

public class Exe3 {
	public static void main(String[] args) {
	
		Collection c1=new ArrayList();
		
	
	
}
	
}

class Munber{
	int id;
	String name;
	String door;
	public Munber(int id, String name, String door) {
		super();
		this.id = id;
		this.name = name;
		this.door = door;
	}
	
}